OFFSET
1,2
COMMENTS
Empirically, for any m > 0, there are two m-digit terms, say w1 and w2, and replacing 1's by 2's and 2's by 1's in w1 yields w2.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..200
Rémy Sigrist, PARI program
PROG
(PARI) \\ See Links section.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Oct 01 2024
STATUS
approved